19966892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4493}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 38504592

約数和(自身を除く): 18537700

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4493, 8986, 17972, 49423, 98846, 197692, 453793, 907586, 1815172, 4991723, 9983446, 19966892]

約数ペア:

[(1, 19966892), (2, 9983446), (4, 4991723), (11, 1815172), (22, 907586), (44, 453793), (101, 197692), (202, 98846), (404, 49423), (1111, 17972), (2222, 8986), (4444, 4493)]